Area Code 405: Oklahoma City, Oklahoma
405 is a telephone area code serving Oklahoma, including Oklahoma City. It is part of the North American Numbering Plan and is dialed with the country code +1.
Numbers beginning with 405 are located in Oklahoma, United States (NANP region: Central). The code covers Oklahoma City.
How to Dial Area Code 405
| Calling from | What to dial |
|---|---|
| Anywhere in the US or Canada | 1 405 XXX-XXXX (10-digit dialing: 405 + 7-digit number) |
| Local call inside the same area code | 7-digit number in most areas; 10 digits where an overlay code is active |
| From the UK or Europe | 00 1 405 XXX XXXX |
| From Australia | 0011 1 405 XXX XXXX |
| From a mobile phone anywhere | +1 405 XXX XXXX |
Whatever country you are calling from, the + symbol replaces the exit code. Save the contact as +1 405 XXXXXXX and it will dial correctly from any phone in the world.
Time Zone for Area Code 405
Calls to a 405 number ring in the America/Chicago time zone, standard offset UTC-06:00. Daylight saving time applies here, so the offset moves forward one hour from March to November.
Cities and Communities Served by 405
The following places fall inside the 405 calling area:
Other Area Codes in Oklahoma
These codes also serve Oklahoma. Area codes are assigned by the North American Numbering Plan Administration (NANPA).
See all 4 area codes in Oklahoma →
Frequently Asked Questions
Where is area code 405?
Area code 405 is in Oklahoma, United States. It covers Oklahoma City.
What time zone is area code 405 in?
Area code 405 rings in the America/Chicago time zone (UTC-06:00 standard).
Do I need to dial 1 before area code 405?
Yes, for a long-distance call inside the US and Canada you dial 1 first, then 405, then the seven-digit number. The 1 is the North American long-distance trunk prefix — it is not the country code. From outside North America you dial your exit code then 1 then 405.
Is area code 405 toll-free?
No. 405 is a standard geographic area code, so normal long-distance rates apply unless your plan includes them. Toll-free NANP codes are 800, 833, 844, 855, 866, 877 and 888.